
Ques:- The prime numbers dividing 143 and leaving a remainder of 3 in each case are
A. 2 and 11
B. 3 and 7
C. 5 and 7
D. 11 and 13
Ques:- What percentage of numbers from 1 to 70 have squares that end in the digit 1?
A. 1
B. 14
C. 20
D. 21
Ques:- Find out the wrong number in each sequence:
1, 8, 27, 64, 124, 216, 343
1, 8, 27, 64, 124, 216, 343
A. 8
B. 27
C. 64
D. 124